參數(shù)資料
型號(hào): intel386 DX
廠商: Intel Corp.
英文描述: 32-Bit CHMOS Microprocessor With Integrated Memory Management(32位CHMOS 微處理器帶集成存儲(chǔ)管理)
中文描述: 32位CHMOS微處理器集成內(nèi)存管理(32位CHMOS微處理器帶集成存儲(chǔ)管理)
文件頁數(shù): 7/139頁
文件大?。?/td> 1587K
代理商: INTEL386 DX
Intel386
TM
DX MICROPROCESSOR
1.1 PIN DESCRIPTION TABLE
(Continued)
Symbol
Type
Name and Function
HLDA
O
BUS HOLD ACKNOWLEDGE
output indicates that the Intel386 DX
has surrendered control of its local bus to another bus master.
BUSY
Y
I
BUSY
signals a busy condition from a processor extension.
ERROR
Y
I
ERROR
signals an error condition from a processor extension.
PEREQ
I
PROCESSOR EXTENSION REQUEST
indicates that the processor
extension has data to be transferred by the Intel386 DX.
INTR
I
INTERRUPT REQUEST
is a maskable input that signals the Intel386
DX to suspend execution of the current program and execute an
interrupt acknowledge function.
NMI
I
NON-MASKABLE INTERRUPT REQUEST
is a non-maskable input
that signals the Intel386 DX to suspend execution of the current
program and execute an interrupt acknowledge function.
RESET
I
RESET
suspends any operation in progress and places the Intel386
DX in a known reset state. See
Interrupt Signals
for additional
information.
N/C
D
NO CONNECT
should always remain unconnected. Connection of a
N/C pin may cause the processor to malfunction or be incompatible
with future steppings of the Intel386 DX.
V
CC
I
SYSTEM POWER
provides the
a
5V nominal D.C. supply input.
V
SS
I
SYSTEM GROUND
provides 0V connection from which all inputs and
outputs are measured.
7
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